US6911964B2 - Frame buffer pixel circuit for liquid crystal display - Google Patents
Frame buffer pixel circuit for liquid crystal display Download PDFInfo
- Publication number
- US6911964B2 US6911964B2 US10/289,459 US28945902A US6911964B2 US 6911964 B2 US6911964 B2 US 6911964B2 US 28945902 A US28945902 A US 28945902A US 6911964 B2 US6911964 B2 US 6911964B2
- Authority
- US
- United States
- Prior art keywords
- storage unit
- capacitor
- transistor
- analog data
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
- G09G2300/0847—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor being a dynamic memory without any storage capacitor, i.e. with use of parasitic capacitances as storage elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0251—Precharge or discharge of pixel before applying new pixel voltage
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0259—Details of the generation of driving signals with use of an analog or digital ramp generator in the column driver or in the pixel circuit
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0223—Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2007—Display of intermediate tones
- G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
Description
Claims (22)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/289,459 US6911964B2 (en) | 2002-11-07 | 2002-11-07 | Frame buffer pixel circuit for liquid crystal display |
EP03721652A EP1559091A4 (en) | 2002-11-07 | 2003-04-14 | Frame buffer pixel circuit for liquid crystal display |
CNA038256991A CN1723484A (en) | 2002-11-07 | 2003-04-14 | Frame buffer pixel circuit for liquid crystal display |
JP2004551397A JP2006505824A (en) | 2002-11-07 | 2003-04-14 | Frame buffer pixel circuit for liquid crystal display |
PCT/US2003/011389 WO2004044882A1 (en) | 2002-11-07 | 2003-04-14 | Frame buffer pixel circuit for liquid crystal display |
AU2003224955A AU2003224955A1 (en) | 2002-11-07 | 2003-04-14 | Frame buffer pixel circuit for liquid crystal display |
US11/166,758 US7460101B2 (en) | 2002-11-07 | 2005-06-24 | Frame buffer pixel circuit for liquid crystal display |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/289,459 US6911964B2 (en) | 2002-11-07 | 2002-11-07 | Frame buffer pixel circuit for liquid crystal display |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/166,758 Continuation US7460101B2 (en) | 2002-11-07 | 2005-06-24 | Frame buffer pixel circuit for liquid crystal display |
Publications (2)
Publication Number | Publication Date |
---|---|
US20040090411A1 US20040090411A1 (en) | 2004-05-13 |
US6911964B2 true US6911964B2 (en) | 2005-06-28 |
Family
ID=32228876
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/289,459 Expired - Fee Related US6911964B2 (en) | 2002-11-07 | 2002-11-07 | Frame buffer pixel circuit for liquid crystal display |
US11/166,758 Expired - Fee Related US7460101B2 (en) | 2002-11-07 | 2005-06-24 | Frame buffer pixel circuit for liquid crystal display |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/166,758 Expired - Fee Related US7460101B2 (en) | 2002-11-07 | 2005-06-24 | Frame buffer pixel circuit for liquid crystal display |
Country Status (6)
Country | Link |
---|---|
US (2) | US6911964B2 (en) |
EP (1) | EP1559091A4 (en) |
JP (1) | JP2006505824A (en) |
CN (1) | CN1723484A (en) |
AU (1) | AU2003224955A1 (en) |
WO (1) | WO2004044882A1 (en) |
Cited By (107)
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US20060181495A1 (en) * | 2003-07-15 | 2006-08-17 | Edward Martin J | Active matrix array device |
US20080007573A1 (en) * | 2006-07-04 | 2008-01-10 | Seiko Epson Corporation | Display device and display system employing same |
US20100033469A1 (en) * | 2004-12-15 | 2010-02-11 | Ignis Innovation Inc. | Method and system for programming, calibrating and driving a light emitting device display |
US7675665B2 (en) | 2005-02-23 | 2010-03-09 | Pixtronix, Incorporated | Methods and apparatus for actuating displays |
US7742016B2 (en) | 2005-02-23 | 2010-06-22 | Pixtronix, Incorporated | Display methods and apparatus |
US7746529B2 (en) | 2005-02-23 | 2010-06-29 | Pixtronix, Inc. | MEMS display apparatus |
US7755582B2 (en) | 2005-02-23 | 2010-07-13 | Pixtronix, Incorporated | Display methods and apparatus |
US20100188443A1 (en) * | 2007-01-19 | 2010-07-29 | Pixtronix, Inc | Sensor-based feedback for display apparatus |
US7839356B2 (en) | 2005-02-23 | 2010-11-23 | Pixtronix, Incorporated | Display methods and apparatus |
US7852546B2 (en) | 2007-10-19 | 2010-12-14 | Pixtronix, Inc. | Spacers for maintaining display apparatus alignment |
US7876489B2 (en) | 2006-06-05 | 2011-01-25 | Pixtronix, Inc. | Display apparatus with optical cavities |
US7927654B2 (en) | 2005-02-23 | 2011-04-19 | Pixtronix, Inc. | Methods and apparatus for spatial light modulation |
US8159428B2 (en) | 2005-02-23 | 2012-04-17 | Pixtronix, Inc. | Display methods and apparatus |
US8248560B2 (en) | 2008-04-18 | 2012-08-21 | Pixtronix, Inc. | Light guides and backlight systems incorporating prismatic structures and light redirectors |
US8262274B2 (en) | 2006-10-20 | 2012-09-11 | Pitronix, Inc. | Light guides and backlight systems incorporating light redirectors at varying densities |
US8310442B2 (en) | 2005-02-23 | 2012-11-13 | Pixtronix, Inc. | Circuits for controlling display apparatus |
US8482496B2 (en) | 2006-01-06 | 2013-07-09 | Pixtronix, Inc. | Circuits for controlling MEMS display apparatus on a transparent substrate |
US8520285B2 (en) | 2008-08-04 | 2013-08-27 | Pixtronix, Inc. | Methods for manufacturing cold seal fluid-filled display apparatus |
US8519945B2 (en) | 2006-01-06 | 2013-08-27 | Pixtronix, Inc. | Circuits for controlling display apparatus |
US8526096B2 (en) | 2006-02-23 | 2013-09-03 | Pixtronix, Inc. | Mechanical light modulators with stressed beams |
US8564513B2 (en) | 2006-01-09 | 2013-10-22 | Ignis Innovation, Inc. | Method and system for driving an active matrix display circuit |
US8599191B2 (en) | 2011-05-20 | 2013-12-03 | Ignis Innovation Inc. | System and methods for extraction of threshold and mobility parameters in AMOLED displays |
US8599463B2 (en) | 2008-10-27 | 2013-12-03 | Pixtronix, Inc. | MEMS anchors |
US8743096B2 (en) | 2006-04-19 | 2014-06-03 | Ignis Innovation, Inc. | Stable driving scheme for active matrix displays |
US8749538B2 (en) | 2011-10-21 | 2014-06-10 | Qualcomm Mems Technologies, Inc. | Device and method of controlling brightness of a display based on ambient lighting conditions |
US8803417B2 (en) | 2009-12-01 | 2014-08-12 | Ignis Innovation Inc. | High resolution pixel architecture |
US8860636B2 (en) | 2005-06-08 | 2014-10-14 | Ignis Innovation Inc. | Method and system for driving a light emitting device display |
US8907991B2 (en) | 2010-12-02 | 2014-12-09 | Ignis Innovation Inc. | System and methods for thermal compensation in AMOLED displays |
USRE45291E1 (en) | 2004-06-29 | 2014-12-16 | Ignis Innovation Inc. | Voltage-programming scheme for current-driven AMOLED displays |
US8922544B2 (en) | 2012-05-23 | 2014-12-30 | Ignis Innovation Inc. | Display systems with compensation for line propagation delay |
US8941697B2 (en) | 2003-09-23 | 2015-01-27 | Ignis Innovation Inc. | Circuit and method for driving an array of light emitting pixels |
US8994617B2 (en) | 2010-03-17 | 2015-03-31 | Ignis Innovation Inc. | Lifetime uniformity parameter extraction methods |
US9030506B2 (en) | 2009-11-12 | 2015-05-12 | Ignis Innovation Inc. | Stable fast programming scheme for displays |
US9082353B2 (en) | 2010-01-05 | 2015-07-14 | Pixtronix, Inc. | Circuits for controlling display apparatus |
US9087486B2 (en) | 2005-02-23 | 2015-07-21 | Pixtronix, Inc. | Circuits for controlling display apparatus |
US9093029B2 (en) | 2011-05-20 | 2015-07-28 | Ignis Innovation Inc. | System and methods for extraction of threshold and mobility parameters in AMOLED displays |
US9093028B2 (en) | 2009-12-06 | 2015-07-28 | Ignis Innovation Inc. | System and methods for power conservation for AMOLED pixel drivers |
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US9125278B2 (en) | 2006-08-15 | 2015-09-01 | Ignis Innovation Inc. | OLED luminance degradation compensation |
US9135868B2 (en) | 2005-02-23 | 2015-09-15 | Pixtronix, Inc. | Direct-view MEMS display devices and methods for generating images thereon |
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Also Published As
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EP1559091A4 (en) | 2006-03-22 |
EP1559091A1 (en) | 2005-08-03 |
AU2003224955A1 (en) | 2004-06-03 |
CN1723484A (en) | 2006-01-18 |
US20040090411A1 (en) | 2004-05-13 |
US20060001634A1 (en) | 2006-01-05 |
JP2006505824A (en) | 2006-02-16 |
US7460101B2 (en) | 2008-12-02 |
WO2004044882A1 (en) | 2004-05-27 |
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